/*
 * Copyright (C) 2021 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.android.server.timezonedetector;

import android.annotation.NonNull;

/**
 * The interface for the class that is responsible for detecting device activities relevant to
 * time zone detection. This interface exists to decouple parts of the time zone detector from each
 * other and to enable easier testing.
 *
 * @hide
 */
interface DeviceActivityMonitor extends Dumpable {

    /** Adds a listener. */
    void addListener(@NonNull Listener listener);

    /**
     * A listener for device activities. See {@link DeviceActivityMonitor#addListener(Listener)}.
     */
    interface Listener {
        /** A flight has completed. */
        void onFlightComplete();
    }
}
